platform_external_dtc/tests/dumptrees.c
Marc-André Lureau 4c3c4ccb99 dumptrees: pass outputdir as first argument
Instead of outputing files to current directory, allow to specificy an
output directory. This helps with meson build system out-of-tree support.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20191009102025.10179-4-marcandre.lureau@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-10-14 16:20:32 +11:00

67 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* dumptrees - utility for libfdt testing
*
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2006.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdint.h>
#include <libfdt.h>
#include "testdata.h"
static struct {
void *blob;
const char *filename;
} trees[] = {
#define TREE(name) { &name, #name ".dtb" }
TREE(test_tree1),
TREE(bad_node_char), TREE(bad_node_format), TREE(bad_prop_char),
TREE(ovf_size_strings),
TREE(truncated_property), TREE(truncated_string),
TREE(truncated_memrsv),
};
#define NUM_TREES (sizeof(trees) / sizeof(trees[0]))
int main(int argc, char *argv[])
{
int i;
if (argc != 2) {
fprintf(stderr, "Missing output directory argument\n");
return 1;
}
if (chdir(argv[1]) != 0) {
perror("chdir()");
return 1;
}
for (i = 0; i < NUM_TREES; i++) {
void *blob = trees[i].blob;
const char *filename = trees[i].filename;
int size;
int fd;
int ret;
size = fdt_totalsize(blob);
printf("Tree \"%s\", %d bytes\n", filename, size);
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
perror("open()");
ret = write(fd, blob, size);
if (ret != size)
perror("write()");
close(fd);
}
exit(0);
}